package com.rem.designPattern.facade外观;

/**
 * @author Rem
 * @date 2022-11-17
 */
public class Stereo {
    private static final Stereo STEREO = new Stereo();

    public static Stereo getInstance() {
        return STEREO;
    }

    public void on() {
        System.out.println("打开立体声...");
    }

    public void off() {
        System.out.println("关闭立体声...");
    }
}